How can you eliminate this equation

12x+6y=120

4x+y=30

Graph the line with the slope 1/3 and y-intercept - 2

A snail travels 3 1/3 ft every hour. How far does the snail travel in 2 1/2 hours? Express your answer in simplest form.

14.2 is 35.5% of what number W

What is the range for this set of data? 7, 15, 12 3 5 8 12

For the function y = 9x, what is the output value if 5 is the input value?

A diderenca do carro azul 1/2e so verde 1/4

Convert the following measurements. 13 miles to yard

The coordinates A (0, 0), B (0, 3), C (3, 3) and D (3, 0) are graphed and connected together. What 3-dimensional shape will be created when this shape is rotated about the y-axis?

29. New grass seeds grow rapidly. A grass seed has grown to 0.3 millimeters tall. Tomorrow it will be 0.9 millimeters tall, the next day it will be 1.5 millimeters tall, and on the next day it will be 2.1 millimeters tall.

What is an equation for the scenario the entrance fee to an amusement park is $9 plus $1.50 for each ride